Floor furnace



May 27, 1958 R. E. SOLOMON FLOOR FURNACE 4 Sheets-Sheet 1 Filed Aug. 8, 1955 INVENTOR Pajai Z7 @0/0/720/7;

BY 0 67 a A'I'I'ORVEY May 27, 1958 R. E. SOLOMON 2,836,170

FLOOR FURNACE Filed Aug. 8, 1955 4 Sheets-Sheet 2 INVENTOR ATTORNEY y 27, 1953 R. E. SOLOMON 2,836,170

FLOOR FURNACE Ffiled Aug. 8, 1955. 4 Sheets-Sheet 3 IN VENTOR ATTORNEY M y 1 R. E. SOLOMON FLOOR FURNACE 4 Sheets-Sheet 4 Filed Aug. 8, 1955 INVENTOR ATTORNEY BY @jwyz w hired States FLQOR FURNACE Application August 3, 1955, Serial No. 526,821

4 Claims. (Cl. 126-116) This invention relates to a floor furnace.

The invention is more particularly concerned with a room heating furnace unit of the type wherein a combustion chamber, a radiator, and a radiator-diverter are combined in a single assembly.

While it is appreciated that heating furnaces of the above noted general chaiacter have heretofore been provided or proposed, they have nevertheless left the field open for marked improvements as particularly relate to facility in manufacture as well as conservation of heat generated in the furnace.

One of the important objects of the present invention is to provide a floor furnace which is capable of construction with a minimum amount of steel as well as a minimum of tools and dies required in the construction thereof.

A further object of the invention is the provision of a door furnace including a combustion chamber which is identical for all furnace sizes with a half combustion chamber being employed the smaller sizes whereby tooling is substantially simplified.

slid further object of the invention is the provision of a floor furnace including a combustion chamber, and a variable length tubular radiator between the said combustion chamber and radiatondiverter and placing same in communication.

A still further object of the invention is the provision of a floor furnace embodying a combination radiator and built-in diverter and winch is disposed in the circulating ir system whereby heat is recovered from the furnace diverter section which is normally lost in contemporary furnaces having the diverter disposed wholly outside of the furnace.

A still further object of the invention is the provision of a floor furnace having a combination radiator and built-in diverter and which is disposed in the circulating air system with symmetrical circulator outlets permitting attachment of a vent pipe to either the left or right side of the furnace for greater simplicity of installation.

Other objects and advantages of the invention will become apparent in the course of the following detailed de- V scription, taken in connection with the accompanying drawings, wherein- Fig. l is a longitudinal vertical sectional view of the improved furnace in accordance with a preferred structural embodiment thereof.

Pig. 2 is a transverse vertical sectional view as observed in the planes of the offset line 2-?. on Fig. l. 1 lg. 3 is a broken away perspective view of the furnace.

ig. 4 is a perspective view of a flue outlet collar emrid in the furnace.

t ig. 5 is a broken perspective view of a diverter outdeflector embodied in the furnace.

Figs. 6 and 7 are perspective views of a heat exchange assembly spectively show the assembly at different angles.

Referring now in detail to the drawings, the improved embodied in the furnace and which figures reatent furnace will be seen to comprise a sheet metal housing 10 which is provided with a top grid 11.

A secondary open top and open bottom sheet metal housing 12 is disposed Within the main outer housing 10 and within which are disposed the cooperating units embodied in the present invention.

The said units comprise an open bottom combustion chamber 13 disposed adjacent one end of housing 12, a radiator-diverter 14 disposed adjacent the opposite end of housing 12. and a tubular radiator 15 .disposed between and placing the combustion chamber 13 and radiatordiverter 14 in communication.

Disposed beneath the bottom .of the combustion chamber 13 and communicating therewith is a burner box .116 with which is operatively associated gas valves and automatic controls generally designated at 17.

Since the present invention is not dependent upon .any specific burner box construction, no further reference will be made thereto. It may, however, here be mentioned that rod access to the pilot burner is had through an opening in the top wall of the combustion chamber which is normally closed by a removable cap 18.

It is to be observed that the sheet metal combustion chamber 13 includes two half sections 13 and 13 which are connected through the instrumentality of outwardly turned abutting flanges 13 whereby one ofthe sections with an added end plate may be utilized in the smaller size furnaces.

The radiator-diverter 14 is also formed of two like sections 14 14 having adjacent connecting flanges 14. The radiator-diverter 14 comprises in addition to its upper housing portion 14, a lower tubular portion 14' for a purpose'later to appear. The opposed sheet metal sections 14 and 14' are formed to provide an upper radiator chamber C and a lower combined radiator and draft diverter chamber C and the latter chamber includes the tubular portion 14 The tubular portion 14 is a part of the sections 14*= and 14 and is provided with opposite open ends for receiving a flue outlet collar and an outlet deflector, later referred to.

The tubular radiator 15 comprises a cylinder 20 each of whose two opposite ends is provided with a collar 21 and a circumscribing spaced flange 22 and the combustion chamber 13 and radiator-diverter 14 are respectively provided with frusto-conical flanges 23 and 24 which are received between the collars 21 and flanges 22 and secured by screws 25 which extend through the collars and flanges.

The tubular radiator further comprises upper and lower vertically aligned channel members 26 which are disposed within the cylinder 20 in uniform spaced relation thereto and which are secured to the cylinder by means of L clips 27.

A plurality of frusto-conical bafiles 28 are disposed within and secured to the channel members 26 in uniform axially spaced relation. The said bafiles are provided with axially aligned apertures 29. The purpose of the bafiies 28 is to direct the flow 0f flue gases against the wall of the cylinder 20 for maximum heat transfer.

At this point, it is to be observed that the tubular radiator 15 may be of different lengths depending upon the capacity of the furnace and the number of baflles 28 will vary accordingly.

As is indicated in Figs. 1 and 2, a rectangular bafile plate 30 is disposed within the upper portion 14 of the radiator-diverter and same is disposed at an acute angle to the vertical plane of flanges 14 and with its upper free edge disposed substantially in said plane. Stated in a different way, the baflle plate extends from a horizontal line adjacent the lower edge of the aligned opening in the section 14 in a direction forwardly and up wardly to a horizontal line approximately at the level of the axis of the frusto-conical bafiles 28.

The tubular portion 14 of the radiator-diverter 14 is adapted to receive an interchangeable flue outlet collar 31 and an outlet deflector 32 whereby either side of the furnace may be next to a fluefor connection therewith.

The outlet deflector 32 functions to dilfuse the gases already'diverted by back draft from the flue. While the diameter of the flue collar is substantially less than .that of the diverter outlet deflector, the cou- *furnace in accordance with the present invention comprises relatively few simple. sheet metal parts of such construction that different size furnaces may be readily constngcted. L a

Furthermore, the various baflles provide for maximum heat economy and the diverter outlet connector provides for admission of air externally of the furnace.

, tions of said combustion chamber and said upper'radiator chamber having horizontally alined openings, a cylinder having opposite ends thereof in communication with said openings and providing a tubular radiator, a tubular portion at the bottom of said last sheet metal sections with V the axis thereof normal 'to'the axis of said cylinder, said" last sheet metal sections providing an upper radiator chamber and said tubular portion providing a lower combined radiator and draft diverter chamber in communication with said upper radiator chamber, a flue outlet collar removably disposed in one end of said tubular portion and an outlet deflector removably disposed in the'opposite end of said tubular portion for diifusing the gases already diverted by back draft from the flue. a

2. The structure according to claiml, Wherein'said cylinder is provided with a plurality of axially spaced'frustoconical baffles, and a rectangular baffle disposed within a said upper radiator chamber, said bafile extending from a Although the invention is illustrated as comprisinga cylindrical tubular radiator connecting the combustion chamber/to the radiator-diverter, it is apparent that two or more elliptical radiators could replace the cylindrical radiator where greater heat transfer on larger size'furnaces is desired. V a

Havingset forth the invention in accordance with a preferred structural embodiment thereof, what is claimed and desired to be secured by .U. S. Letters Patent is l. A floor furnace comprising a rectangular housing provided 'with'a topgrid, asecondary open topand bottom housing disposed within the first housing, opposed sheet metal sections Within one end of saidsecond housing1providing a combustion chamber having. an open bottom, a burner box disposed beneath said sections and communicating with said combustion chamber through said openjbottom thereof, opposed sheet metal sections to provide an upper radiator chamber and a lowercomwithin the opposite end of said secondary housing: formed f bined radiatorand draft diverter chamber, adjacent sec horizontal line adjacent the lower edge of the opening in said upper radiator chamber sheet metal section in a direction forwardly and upwardly to'a horizontal line ap- V proximately at the level of the axis or said frus'to-conical bafiles.

3. The structure according to claim 2, wherein said cylinder is provided with upper and lower vertically alined channel members and said frusto-conical baffles are disposed within and secured to the channel members.

4. The structure according to claim 1, wherein said diverter outlet deflector comprises aninner top curved baflle and an outer conical baflle whose axis coincides with the axes of said curved baflle and said tubular portion,'said inner top curved bathe extending a substantial distance within said tubular portion adjacent the upper side thereof. 7

References Cited in the file of this patent 7 UNITED STATES PATENTS 289,865 Smead Dec. 11, 1883 1,334,005 Ward Mar. 16, 1920, 1,931,903 Payne Oct. 24, 1933 1,973,016 Rainey Sept. 11, 1934. 2,013,237 Funk Sept. 3, 1935 2,177,573 Kormendi Oct. 24, 1939 2,360,611 Leonard Oct. 17,1944 2,387,939

Olds Oct. 30,1945 

